Which electricity DNO covers postcode PO4?

PO4 (Portsmouth) is distributed by SSEN (Southern Electric - SEPD). For any street power cut call 105 free 24/7.

Who supplies mains water and gas in PO4?

Water: Southern Water; Gas network: SGN Southern.

PO4 District Portsmouth (Portsmouth)

Live power cut, broadband, mobile 5G, water & gas network telemetry for UK postcode district PO4.

All / Power Broadband Mobile Water Gas

Electricity DNO (105)

SSEN (Southern Electric - SEPD)

Emergency: 105 / 105 / 0800 072 7282

Water & Sewerage Company

Southern Water

Support: 0330 303 0368

Gas Network (0800 111 999)

SGN Southern

Smell gas? 0800 111 999

Provider	Matched District / Area	Status / Affected	ETR / Updated
SSEN (Southern Electric - SEPD)	PO4 Portsmouth (Postcode PO4) — SSEN UJ3922	DNO Active Fault	15 Nov 2026 at 8:32 am GMT

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